History of organic chemistry and the structure theory
Answers are for parents and teachers.
1
Write and balance the combustion equation of methane.
CH₄ + 2O₂ → CO₂ + 2H₂O
2
What is the mass of 3 mol of urea CO(NH₂)₂ (M = 60 g/mol)?
180
3
Find the oxidation state of carbon in methanal HCHO.
0
4
Which pair are isomers: C₂H₅OH and CH₃OCH₃, or CH₄ and C₂H₆? Explain.
C₂H₅OH and CH₃OCH₃: both are C₂H₆O with different structure.